if a trian travels 215 km is 3.50 hr, then 175 km in 1.50 hr, and 345 km in 5.50 hr, what will be the average speed of the trian for the whole trip

70km/h

Explanation: add up distances then divide by total time

increasing transnational kinetic energy. because the transnational kinetic energy formula consists of only two variables, mass and velocity, increasing one of those properties is the only way to increase an object's transnational kinetic energy. increases to mass and velocity, however, do not have the same impact.

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.